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supercharger atop a 4.8 liter lr4 gm ls engine

Testing Different Cams for Boost on a Supercharged 4.8L LR4 Engine (Video)
In today’s video, veteran engine builder Richard Holdener is testing three different camshafts on a supercharged 4.8L LMR engine to see how each of them impact boost and power. The […]
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a procharger intercooler on engine dyno

Video: Measuring the Impact of an Intercooler Upgrade on a Supercharged 427 LSX
In today’s video, veteran engine builder Richard Holdener is going to demonstrate the power gains that can be achieved from upgrading the intercooler. The core has two jobs — to […]
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camshaft being installed on a gm ls engine

Dyno Test: 120+ HP Gains and No Low-End Loss with Cam Swap on 6.2L LS Engine
Why were we so excited about swapping cams on the all-aluminum L92? Many reasons. The first was that we had previously run the Summit Stage 4 Pro LS cam (SUM-8711) […]
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screwdriver placed in center of camshaft to ease install

Dyno Test: Adding 120 HP with Cam Swap in Turbo LS 5.3L
LS engines respond well to cam swaps. It’s probably the #1 upgrade for any LS, because the gains can be dramatic. The reason is that the LS engine family, from […]
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